Meaning

noun headdress that protects the head from bad weather; has shaped crown and usually a brim

noun an informal term for a person's role

verb put on or wear a hat

originFrom Middle English hat, from Old English hætt, from Proto-Germanic *hattuz (“hat”), perhaps from a late PIE root Proto-Indo-European *kedʰ- (“to guard, cover, care for, protect”) or wanderwort. Cognate with North Frisian and Danish hat (“hat”), Norwegian Bokmål, Norwegian Nynorsk, and Swedish hatt (“hat”), Icelandic hattur (“hat”), Finnish hattu (“hat”), Latin cassis (“helmet”), Lithuanian kudas…

Etymology from Wiktionary, CC BY-SA 3.0